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Man Pages


Manual Reference Pages  -  KVM_GETERR (3)

NAME

kvm_geterr - get error message on kvm descriptor

CONTENTS

Library
Synopsis
Description
See Also
Bugs

LIBRARY


.Lb libkvm

SYNOPSIS


.In kvm.h char * kvm_geterr kvm_t *kd

DESCRIPTION

This function returns a string describing the most recent error condition on the descriptor kd. The results are undefined if the most recent kvm(3) library call did not produce an error. The string returned is stored in memory owned by kvm(3) so the message should be copied out and saved elsewhere if necessary.

SEE ALSO

kvm(3), kvm_close(3), kvm_getargv(3), kvm_getenvv(3), kvm_getprocs(3), kvm_nlist(3), kvm_open(3), kvm_openfiles(3), kvm_read(3), kvm_write(3)

BUGS

This routine cannot be used to access error conditions due to a failed kvm_openfiles call, since failure is indicated by returning a NULL descriptor. Therefore, errors on open are output to the special error buffer passed to kvm_openfiles. This option is not available to kvm_open.
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